Roger wants to use a magnet to pick up a sheet of metal, but his magnet is too far away to attract. What is a possible solution?
• a
• b
• C
O d
Get a bigger magnet, because the magnetic field will be larger.
Turn the magnet around and use the opposite pole instead.
Get a smaller magnet, because the magnetic field will be smaller.
Turn the magnet so that the middle is pointed toward the metal.